<template>
  <div class="app-container">
    <el-form label-width="120px">
      <el-form-item label="信息描述">
        <el-tag type="info">excel模版说明</el-tag>
        <el-tag>
          <i class="el-icon-download" />
          <a :href="OSS_PATH + 'excel/%E8%AF%BE%E7%A8%8B%E5%88%86%E7%B1%BB.xls'">点击下载模版</a>
        </el-tag>
      </el-form-item>
      <el-form-item label="选择Excel">
        <el-upload
          ref="upload"
          :auto-upload="false"
          :on-success="fileUploadSuccess"
          :on-error="fileUploadError"
          :disabled="importBtnDisabled"
          :limit="1"
          :action="BASE_API + '/edu/subject/import'"
          name="file"
          accept="application/vnd.ms-excel"
        >
          <el-button slot="trigger" size="small" type="primary"
            >选取文件</el-button
          >
          <el-button
            :loading="loading"
            style="margin-left: 10px"
            size="small"
            type="success"
            @click="submitUpload"
            >{{ fileUploadBtnText }}</el-button
          >-
        </el-upload>
      </el-form-item>
    </el-form>
  </div>
</template>

<script> 
import subject from '@/api/edu/subject'
export default {
data() {
    return {
        OSS_PATH: process.env.OSS_PATH,
        BASE_API: process.env.BASE_API,                 
        fileUploadBtnText:"提交",
        importBtnDisabled:false,
        loading:false,
    }
},

methods: {
    fileUploadSuccess(){
        this.loading=false;
        this.$message.success("上传成功")
    },
    fileUploadError(){
        this.loading=false;
        this.$message.success("上传失败")
    },
    submitUpload(){
        this.loading=true,
        this.$refs.upload.submit();
    }
},
}
</script>